Question
Scientists use fossils buried in rock strata to help them learn about evolution. Which statement about fossils and rock strata is generally true?
O Fossils of plants are never found in lower strata.
• The thinner the stratum, the older the fossil.
• The higher up the stratum, the more recent the fossil.
• Strata with fossils are never more than a meter thick.
Answer
The higher up the stratum, the more recent the fossil.